768228211 has 2 divisors, whose sum is σ = 768228212. Its totient is φ = 768228210.

The previous prime is 768228191. The next prime is 768228247. The reversal of 768228211 is 112822867.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 768228211 - 2⁵ = 768228179 is a prime.

It is not a weakly prime, because it can be changed into another prime (760228211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 384114105 + 384114106.

It is an arithmetic number, because the mean of its divisors is an integer number (384114106).

Almost surely, 2^768228211 is an apocalyptic number.

768228211 is a deficient number, since it is larger than the sum of its proper divisors (1).

768228211 is an equidigital number, since it uses as much as digits as its factorization.

768228211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 37.

The square root of 768228211 is about 27716.9300428457. The cubic root of 768228211 is about 915.8620921367.

The spelling of 768228211 in words is "seven hundred sixty-eight million, two hundred twenty-eight thousand, two hundred eleven".